<div class="outliner-tree-content 树内容outliner" style="transform: translateY(0px);">
<!-- 下为各个节点，各个节点放在同一层级 -->
        <div class="outliner-node no-children 节点outliner" data-id="Xbk04mPqce">
            <div class="outliner-indent-container 缩排容器outliner"></div>
            <div class="outliner-node-content-container 节点内容容器outliner">
                <div class="outliner-node-content 节点内容outliner">
                    <div class="bullet-wrapper" oncontextmenu="return false;">
                        <div class="bullet-border 子弹">
                            <div class="bullet-dot 子弹圆点"></div>
                        </div>
                    </div>
                    <div class="action-wrapper 操作按扭容器">
                        <div class="outliner-icon-more-wrapper 更多按扭"><span class="outliner-icon outliner-icon-more"></span></div>
                        <div class="outliner-icon-expand-wrapper 展开按钮"><span class="outliner-icon outliner-icon-expand"></span></div>
                    </div>
                    <div contenteditable="true" class="content mm-editor 主内容 可编辑" spellcheck="true" autocapitalize="off" data-id="Xbk04mPqce" data-empty-style=""><span>1adfadff</span></div>
                </div>
                <ul class="outliner-node-images"></ul>
                <div class="outliner-node-note">
                    <div contenteditable="true" class="note mm-editor" spellcheck="true" autocapitalize="off" data-id="Xbk04mPqce"></div>
                </div>
            </div>
        </div>

        <div class="outliner-node" data-id="U6zWk1bU5N">
            <div class="outliner-indent-container"></div>
            <div class="outliner-node-content-container">
                <div class="outliner-node-content">
                    <div class="bullet-wrapper" oncontextmenu="return false;">
                        <div class="bullet-border">
                            <div class="bullet-dot"></div>
                        </div>
                    </div>
                    <div class="action-wrapper">
                        <div class="outliner-icon-more-wrapper"><span class="outliner-icon outliner-icon-more"></span></div>
                        <div class="outliner-icon-expand-wrapper"><span class="outliner-icon outliner-icon-expand"></span></div>
                    </div>
                    <div contenteditable="true" class="content mm-editor" spellcheck="true" autocapitalize="off" data-id="U6zWk1bU5N" data-empty-style=""><span>2adfadfadff</span></div>
                </div>
                <ul class="outliner-node-images"></ul>
                <div class="outliner-node-note">
                    <div contenteditable="true" class="note mm-editor" spellcheck="true" autocapitalize="off" data-id="U6zWk1bU5N"></div>
                </div>
            </div>
        </div>

<!-- 下是2.1子节点，代码并未将它放到下一层次中 -->
        <div class="outliner-node no-children" data-id="Mm6O8Gdzvv">
            <div class="outliner-indent-container">
                <div class="indent-item"></div>
            </div>
            <div class="outliner-node-content-container">
                <div class="outliner-node-content">
                    <div class="bullet-wrapper" oncontextmenu="return false;">
                        <div class="bullet-border">
                            <div class="bullet-dot"></div>
                        </div>
                    </div>
                    <div class="action-wrapper">
                        <div class="outliner-icon-more-wrapper"><span class="outliner-icon outliner-icon-more"></span></div>
                        <div class="outliner-icon-expand-wrapper"><span class="outliner-icon outliner-icon-expand"></span></div>
                    </div>
                    <div contenteditable="true" class="content mm-editor" spellcheck="true" autocapitalize="off" data-id="Mm6O8Gdzvv" data-empty-style=""><span>2.1sowo</span></div>
                </div>
                <ul class="outliner-node-images"></ul>
                <div class="outliner-node-note">
                    <div contenteditable="true" class="note mm-editor" spellcheck="true" autocapitalize="off" data-id="Mm6O8Gdzvv"></div>
                </div>
            </div>
        </div>

        <!-- 下为2.2节点 -->
        <div class="outliner-node no-children" data-id="xVw7VAztr5">
            <div class="outliner-indent-container">
                <div class="indent-item"></div>
            </div>
            <div class="outliner-node-content-container">
                <div class="outliner-node-content">
                    <div class="bullet-wrapper" oncontextmenu="return false;">
                        <div class="bullet-border">
                            <div class="bullet-dot"></div>
                        </div>
                    </div>
                    <div class="action-wrapper">
                        <div class="outliner-icon-more-wrapper"><span class="outliner-icon outliner-icon-more"></span></div>
                        <div class="outliner-icon-expand-wrapper"><span class="outliner-icon outliner-icon-expand"></span></div>
                    </div>
                    <div contenteditable="true" class="content mm-editor" spellcheck="true" autocapitalize="off" data-id="xVw7VAztr5" data-empty-style=""><span>2.2</span></div>
                </div>
                <ul class="outliner-node-images"></ul>
                <div class="outliner-node-note">
                    <div contenteditable="true" class="note mm-editor" spellcheck="true" autocapitalize="off" data-id="xVw7VAztr5"></div>
                </div>
            </div>
        </div>

        <div class="outliner-node no-children" data-id="benzCKEMDP">
            <div class="outliner-indent-container"></div>
            <div class="outliner-node-content-container">
                <div class="outliner-node-content">
                    <div class="bullet-wrapper" oncontextmenu="return false;">
                        <div class="bullet-border">
                            <div class="bullet-dot"></div>
                        </div>
                    </div>
                    <div class="action-wrapper">
                        <div class="outliner-icon-more-wrapper"><span class="outliner-icon outliner-icon-more"></span></div>
                        <div class="outliner-icon-expand-wrapper"><span class="outliner-icon outliner-icon-expand"></span></div>
                    </div>
                    <div contenteditable="true" class="content mm-editor" spellcheck="true" autocapitalize="off" data-id="benzCKEMDP" data-empty-style=""><span>3asfa</span></div>
                </div>
                <ul class="outliner-node-images"></ul>
                <div class="outliner-node-note">
                    <div contenteditable="true" class="note mm-editor" spellcheck="true" autocapitalize="off" data-id="benzCKEMDP"></div>
                </div>
            </div>
        </div>

    </div>